Objective To report the treatment efficacy of continual intratympanic steroid injection (ITSI) therapy in a patient with refractory sensorineural hearing loss accompanied by relapsing polychondritis. Patient A 49-year-old female diagnosed with relapsing polychondritis at the age of 45 years and who had been treated with corticosteroids and immunosuppressants developed sensorineural hearing loss in the left ear. Intervention Her unilateral hearing loss did not recover despite receiving one cyclophosphamide pulse treatment, one methylprednisolone pulse treatment, and weekly leukapheresis. Thus, we decided to initiate weekly ITSI therapy. Main outcome measure Pure tone audiometry. Results A week after the first ITSI treatment, the patient's hearing improved. We continued ITSI therapy and attempted to extend the interval between treatments, but her hearing worsened when ITSI therapy was delivered at 2- to 3-week intervals. Thus, we returned ITSI therapy to once per week for 21 months (total of 71 treatments). She experienced no adverse events, like tympanic perforation, and 1 year after terminating the therapy, her hearing remained stable and did not worsen. Conclusions Continual, weekly ITSI therapy was effective in treating sensorineural hearing loss accompanied by relapsing polychondritis. ITSI therapy may be a promising treatment option for sensorineural hearing loss caused by autoimmune disease.
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